self Maths Puzzle Numerical Ability Probability

There are 5 different letters and 5 letter boxes of same size shape and colors. How many method are possible to post the letters?

Read Solution (Total 6)

self Other Question

smallest three digit prime no is ?
107 109 113 n0ne of these
How many methods are possible for arranging 5 boys and 4 girls in such a way that no 2 girls could sit together?